openGL_bounce.c File Reference

#include <GL/glut.h>
#include <cmath>
#include <math.h>
#include <stdio.h>

Go to the source code of this file.

Classes
class	Camera
class	Ball
class	Checkerboard

Macros
#define	pi   3.142857

Functions
Checkerboard	checkerboard (8, 8)
void	init ()
void	display ()
void	reshape (GLint w, GLint h)
void	timer (int v)
void	special (int key, int, int)
int	main (int argc, char **argv)

Variables
GLfloat	WHITE [] = {1, 1, 1}
GLfloat	RED [] = {1, 0, 0}
GLfloat	GREEN [] = {0, 1, 0}
GLfloat	MAGENTA [] = {1, 0, 1}
Camera	camera
Ball	balls []

Macro Definition Documentation

pi

#define pi   3.142857

Definition at line 9 of file openGL_bounce.c.

Function Documentation

checkerboard()

Checkerboard checkerboard	(	8	,
		8
	)

Referenced by display(), and init().

display()

void display

(

void

)

Definition at line 171 of file openGL_bounce.c.

               {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
    gluLookAt(camera.getX(),
              camera.getY(),
              camera.getZ(),
              checkerboard.centerx(),
              0.0,
              checkerboard.centerz(),
              0.0,
              1.0,
              0.0);
    checkerboard.draw();
    for (int i = 0; i < sizeof balls / sizeof(Ball); i++) {
        balls[i].update();
    }
    glFlush();
    glutSwapBuffers();
}

References balls, camera, Checkerboard::centerx(), Checkerboard::centerz(), checkerboard(), Checkerboard::draw(), Camera::getX(), Camera::getY(), Camera::getZ(), and Ball::update().

Referenced by main().

init()

void init

(

)

Definition at line 158 of file openGL_bounce.c.

            {
    glEnable(GL_DEPTH_TEST);
    glLightfv(GL_LIGHT0, GL_DIFFUSE, WHITE);
    glLightfv(GL_LIGHT0, GL_SPECULAR, WHITE);
    glMaterialfv(GL_FRONT, GL_SPECULAR, WHITE);
    glMaterialf(GL_FRONT, GL_SHININESS, 30);
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
    checkerboard.create();
}

References checkerboard(), Checkerboard::create(), and WHITE.

Referenced by main().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 227 of file openGL_bounce.c.

                                {
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
    glutInitWindowPosition(80, 80);
    glutInitWindowSize(800, 600);
    glutCreateWindow("Bouncing Balls");
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutSpecialFunc(special);
    glutTimerFunc(100, timer, 0);
    init();
    glutMainLoop();
}

References display(), init(), reshape(), special(), and timer().

reshape()

void reshape	(	GLint	w,
		GLint	h
	)

Definition at line 192 of file openGL_bounce.c.

                               {
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(40.0, GLfloat(w) / GLfloat(h), 1.0, 150.0);
    glMatrixMode(GL_MODELVIEW);
}

Referenced by main().

special()

void special	(	int	key,
		int	,
		int
	)

Definition at line 208 of file openGL_bounce.c.

                                {
    switch (key) {
    case GLUT_KEY_LEFT:
        camera.moveLeft();
        break;
    case GLUT_KEY_RIGHT:
        camera.moveRight();
        break;
    case GLUT_KEY_UP:
        camera.moveUp();
        break;
    case GLUT_KEY_DOWN:
        camera.moveDown();
        break;
    }
    glutPostRedisplay();
}

References camera, Camera::moveDown(), Camera::moveLeft(), Camera::moveRight(), and Camera::moveUp().

Referenced by main().

timer()

void timer

(

int

v

)

Definition at line 201 of file openGL_bounce.c.

                  {
    glutPostRedisplay();
    glutTimerFunc(1000 / 60, timer, v);
}

Referenced by main().

Variable Documentation

balls

Ball balls[]

Initial value:

= {Ball(1, GREEN, 7, 6, 1),
                Ball(1.5, MAGENTA, 6, 3, 4),
                Ball(0.4, WHITE, 5, 1, 7)}

Definition at line 152 of file openGL_bounce.c.

Referenced by display().

camera

Camera camera

Definition at line 151 of file openGL_bounce.c.

Referenced by display(), and special().

GREEN

GLfloat GREEN[] = {0, 1, 0}

Definition at line 14 of file openGL_bounce.c.

MAGENTA

GLfloat MAGENTA[] = {1, 0, 1}

Definition at line 15 of file openGL_bounce.c.

RED

GLfloat RED[] = {1, 0, 0}

Definition at line 13 of file openGL_bounce.c.

Referenced by Checkerboard::create().

WHITE

GLfloat WHITE[] = {1, 1, 1}

Definition at line 12 of file openGL_bounce.c.

Referenced by Checkerboard::create(), and init().